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macros which results in calling the function multiple times needlessly.
also added some comments.
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vertex is on.
this doesnt fix all cases but works better then it did.
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Main problem was in poly_rotate_plane() (which rotates a ngon to make its normal aligned with Z axis), it did not handled the case where the normal was aligned but opposite to the Z axis (which had the consequence that, as with the T mesh of the given blend, all tested new edges inside face were detected as outside, and vice-versa...).
Additionnaly, I made a mistake in previous Triangulate commit (r48243) in bm_face_goodline, which could allow a few invalid triangles in some specific cases, fixed!
And done a bit of cleanup, as I was at it.
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also rename BMO_OP_SLOT_PNT to BMO_OP_SLOT_PTR (matches RNA and sounds less like 'point')
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wrapper,
argument parsing still needs to have support added for vector, matrix and element types.
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keyword which confuses some IDE's.
also added missing BMO_op_vinitf args to comments.
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The bug is related to 31581 and the main cause is the small offset that
BM_loop_interp_from_face introduces before calculating barycentric
weights. Solved by only calculating displacement layer.
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description for WITH_PYTHON_MODULE.
also disable workaround for some linux installs.
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Add an epsilon value to the point-outside-hull test, helps when some
of the input vertices are nearly coplanar.
Fixes bug [#31941] convex hull fails (and depends on vertex order when it shouldn't)
http://projects.blender.org/tracker/index.php?func=detail&aid=31941&group_id=9&atid=498
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Issue is that all loops of a face adjacent to the sliding verts were
getting project-corrected. Introduced a test to only project the
affected loops.
The projection code introduces a small offset to the boundaries so that
any boundary tests can work as expected, but this leads to shrinking of
the barycentric coordinates of the projection, causing a shrink of the
uvs in turn. This even affects the uvs that -should- be affected though
the unfixed behavior works strangely in a correctish way (my guess is
because the projection uses the same face as the opposite sliding loop).
I fixed the behaviour by taking the mean value of the uvs. This won't
support seams but current code doesn't either. Also, all CustomData to
exhibit this unfixed behaviour. I only fixed the uv case, other data
(Vcolors, etc) will have discontinuities when edge sliding. I expect
that the CorrectUV code I am working on may address some of these
issues.
Also, added NULL checks for utility function (was intended for this bug
but wasn't needed after all)
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the iterator initialization function.
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convex_hull at the moment.
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Notes:
*This implements a quite simple algorithm, which simply checks angles (actually, absolute cosines) of created tri and remaining face (which may be a tri, quad, or more NGon), so that both are "best" (ie avoid as much as possible too much narrow/wide corners), and also checks the new edge is OK (i.e. does not goes "out" of original face).
*Incidently, it fixes a typo in that bm_face_goodline() func!
*It's quite performant (a bit quicker than previous code, as far as I have tested it) and prevent creation of completely flat triangles as much as possible, but it's far from being a "best" solution (as it is still a "progressive" one)!
*It also introduces a new math func (in BLI_math_vector.h), cos_v3v3v3, which computes cosine (ie dot product of normalized vectors) and is roughly a quicker replacement for angle_v3v3v3, when real angles are not needed.
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from Benoit Donat-Bouillud (ladeheria)
from tracker -
When using a screw axis (reference edge for screw), the operation always give the same result (as if the orientation of the reference edge was not take into account).
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Add check for merging vertices into vertices that are themselves
marked for merge, was already done for array eleements but not end
caps.
Fixes bug [#31695] Array Modifier: End Cap fails if all vertices are merged
Also corrected some reversed assert arguments.
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VERSION
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style and remove BM_face_find_longest/shortest_edge functions,
... instead use BM_face_find_longest/shortest_loop()->e
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initializations.
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also small speedup for finding the longest edge
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Skin modifier documentation:
http://wiki.blender.org/index.php/User:Nicholasbishop/SkinModifier
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BMEdge *BM_face_find_shortest_edge(BMFace *f);
BMEdge *BM_face_find_longest_edge(BMFace *f);
Reviewed by Campbell Barton.
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destination and source in copy function. Also fixed an error in Py API, check to see if layers were different should be check to see if they're the same.
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2.63
bmesh regression where the edge-draw flag was cleared when bmesh modifiers were used.
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BM_edge_loop_pair returned TRUE for single face user edges.
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- style - multi-line ifs move braces onto new lines.
- iterators - convert some to macros, other split up and move brace.
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replace do prefix with do_ for bool vars.
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Added four new functions as shortcuts to creating GHashes that use the
standard ptr/str/int/pair hash and compare functions.
GHash *BLI_ghash_ptr_new(const char *info);
GHash *BLI_ghash_str_new(const char *info);
GHash *BLI_ghash_int_new(const char *info);
GHash *BLI_ghash_pair_new(const char *info);
Replaced almost all occurrences of BLI_ghash_new() with one of the
above functions.
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Change hull's point/triangle side test to > rather than >=.
This seems to fix the (infinite?) loop, but not the crash.
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Keep track of interior verts during the hull build to avoid
imprecise floating-point test afterward.
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